Clutch for engine-starters.



' c. BURTON & GARDNER.. CLUTCH F011 BNGIINESTABTBS. uPLIcuIoN FILED AUG` 1o. 1911.

Patented 0t.29,1912

fand Rio Gralnnnin citizens of ther-United.' .Statesrresidxng at New lor-klan tlie county vof Bew orltand -State' of Bew York7 have lATENTf-OFFLGE..

-cHARLEs'BUnToN Ann aro GARDNER, oF NEW Yoan.. N y.

' vCLUTCH Fon/ENGINE- START-Ens.

' To all whom "it may concern:

Be it knowntliat We5 @Hannes BURToixT invented certain neuv and useful. Improvements vin Clutches-for Engine-Staiters,I of which the following is a Aspeciication.l

The Apresent invention consists of improve- 4inents in clutches lfor use with engine 'start ers-and 1s preferably deslgliedloriise 1nconnection with automobiles oninoto'r'l yea-' lii'cles employing explosive motors.

The invention consists in a clutch adapted to'be thrown in and out of an operative pov sition by a piston operated i 11 a c'ylinder by. compressed air, the 'latter being supplied from a .reservoir .which is charged by a pump operated bythe motor of tliel automobile or yelnole when tbe pressure 1n the reservoir 1s below a certain point.

For a full understanding of tbe present invention reference ,is to be had to the tollowing description and to t-lie accompany--l ing. drawings, in whichtlie chassis of an automobile 'sliotvingtlie invention applied thereto; Fig. Q'is a sectional View taken about on the line 2-Q of Eigav 1;

Fig.. 3 is a fragmentary sectional view taken tion andon the several figures of the draW- ings, similar parts are referred to by like reference characters.

In the drawings, A denotes the chassis motor', C v'the engine shaft and Djtlie flywheel, said parts being` of the ordinary eon Ventional construction. The tlyewheel Dniay be located 'atrany suitable place with respect tothe chassis A, its position varying' 1n dif- V ferent types of automobiles.

Associated with the fly-Wheel and .pretera-bly mounted upon the engine shaft C 1s alarge spur gear 1 adaptedto be engaged by ai pipe Witli`tlieai-I reservoir 6. valveV l'7, located in any position to b'e 'conveniently v 'l contfrolledy by t-lie voperator,[is designed to vcont-no1 the passage of the linid' medium yfrom 'the reservoir 6 to the' auxiliary motor The lino-tor 4, `furthermore;is 'sl1dably` gare 1 is a fragnientary plan View. of

of an ordinary motor vehicle.l B the explosive mounted upon. a portion of the frame-Work',

'-specicatin 6fmfers Patent. y vPatented oet.V 29, 1912. Application led August 10,1911. Serial No. 642,812. l I

'of tlie'ch'assis A;,and is-lnovable longitudi-LA lconnected tlireto 'by ia .rod 9; Normally the' auXiliary'-moton. 4 is lso 'arranged 1' tliat the pinion2"isnotin niesli u'i'tlr' the. gear .'1," but operate the lever S. so as to more tbe-motor a suilicient distance to carry 1the 'pinion 2 'i'ntoengagenient with the 'gear Latter which tlie `valve 7 may.l be openedsol as'to admit air- A .from the reservoir 6 totlie casing of the f motor 1,-.fwlier'eupon the latter'ivilllbe-'opf erat'ed to transmit'inotion through tlie gear to Vtbeengine shaft C and :Hy-Wl'ieel DL Once 'the :engineB is started; its' operation will' be maintained by tlieusual "explosive 'inediun'i supplied't'o the cylinders of said 'eng-ine# The presentimiention relates. primarily to the provision of controlling lneans for'autonia'tlcally maintaining a. predetermined ainountot airunder pressure in the reseryoir G, saidnieans consisting, primarilypf2 ya regulator vcomprising a' 'cylin'der .10 which'ls'lnounted a piston 1l normally held.

in a position' adjacent to the lower. end'iof the cylinderl() by in'eans .of a. .coiled spring;

A12.` lbe spring 12 .encircles tbe-*rodl 18 of the piston 1 1 andV bearsat oneyend against. the upper side of 'tliepiston and at its op` posite end. aga'nist -tliefunder side of an .a.d-A 'Unstable' plate lesecured to tlie'upper lendv portionof' tl1ec-ylinder.10; T lie fastening plate lllto either increase or decreaseffthe bolts 15 permitof desired adjustni'eni;.of theyV tension of the spring l2, asin-ay beffdesired. i'

At its 'upper end the 'piston rod '-13 V carriesa yoke 1 6'Wl1iel1 is'conn'ected tothe" n'i'em-f nec-tion of Said members; one; meinberof'the of a rotarypump 19 and die other'niember of the joint 17 being-connected to a 'clutch operates' with agroovje or annular recess in lupon the s ha'ftQl and-'inengagement 'with a. Worm 23. The 'Worm QSis carriedbya shaft clutch mein-ber' QOis of circular yormjmd cof,

24 varranged parallel Wit-h tlieengine 'sliaft C and c'nnnectedI With'the latter 'by the enfeirpip'e 2? 'W'iieh iseonneeted to the reservoir 6', end enethereir-.pipe 28 lewis the reservoir te thefiewer end ei' .the @een y evlngfin view-'the foregoing; arrangeentje pee, it be: apparent the-.Flay when me Vpressure medium. the ieserveir ils-ntixizedso es te ewer the pressure in the letter gend-e predetermined point, the pressure 2E-the under eie'e` of the pieten l is p'enijngiy 'leweefbeeeesethe eylnin 'cemmnneatien 'with the reser- @in iowerin'g 'et the pressure in the :1i: `es above deseribechthe piston il mnvesdownwardly exerting downward the yoke 16 enti 'tending te move. the

. members et' thejoint 17 into en enea pesitien, Such movement oreesthe ehiteh member "0 into arictionai'engegement with 2%) i Bieffrinwheei 22, whereupon the-shaft 21 ,Y nnected operetivey *with the worm ileeirnnd'eeused te .rotate by reason-'o the "bien .which is imparted' ,from the drive lt-) hepump 19 will be operated-end air oree from the pump to the reser- 'eirg te replenish the supply in latter. pressure the .reservoir 6 has i'restored te e predetermine point, the

@e 'pieten v lnis thus mevegfnpwerdlyegelnst Through the sheit 2i, the piston meme?, v

the tension of the spring 12, correspondingly ectneting them'embers of the toggle ]oint 17 end withdrawing thev clutch member 20 from eperative engagement With the Worm-Wheel 22, thereby discontinuing" the operation of the pump 19. v

gering thusA described the invention, what is cimmed as new is:

In combination, a shaft, a wheel on the shaft, a clutch member carried by the shaft end adapted to engage the Wheel to opera` bly connect the latter to the shaft, ay station-- ery member, a toggle lever connected et ene end to the stationary member and at the opposite. end to the Clutch member for moving the latter into and ont of engagement with the wheel, a cylinder, :t piston epereble in the cylinder, piston rod, e spring carried bythe piston, an adjustably mented plateto regulate the tension of the spring, means connecting the fiston rod to the toggle' lever, and means 'y or operating the-piston. j

1n ,testimony whereof We aiix 'our .signatures `in presence of two Witnesses.

' v CHARLES BURTON.-

lR310 GARDNER.

Witnesses:

CHARLES H. DAVIS,

FRANK E. FARRELL, 

